Home / 707,374.64-1,061,072.96-393,824.48

Finding the Fourth Proportional to 707,374.64, 1,061,072.96 and 393,824.48

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Solution

The fourth proportional to 707,374.64, 1,061,072.96 and 393,824.48 is: 590,742.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,374.64 : 1,061,072.96 = 393,824.48 : x
  2. Step 2: Convert to fraction form
    707,374.64/1,061,072.96 = 393,824.48/x
  3. Step 3: Cross multiply
    707,374.64x = 1,061,072.96 × 393,824.48
  4. Step 4: Simplify right side
    707,374.64x = 417,876,506,714.06
  5. Step 5: Solve for x
    x = 417,876,506,714.06/707,374.64
  6. Step 6: Final answer
    x = 590,742.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.